When Dr. Armpit (aka The University of Ghent's Chris Callewaert) runs into people who still suffer from body odor despite three-times-a-day showers and copious amounts of deodorant, he doesn't turn up his nose at their predicament. In fact, he spends his days sniffing out a solution. Hint: It's not conventional antiperspirants.

According to new research published in the journal “PeerJ,” antiperspirants and deodorants alter your skin's bacterial biome, your body's first line of defense against disease. (It's part of your innate immune system, which includes your skin, proteins, and T and natural killer cells.)

Kill off or confuse those skin-dwelling bacteria, and you may get an overabundance of microbes that break down odorless sweat molecules and produce smelly compounds. The result: anti-perfume.

So, what's the solution? Dr. Armpit advocates an armpit biome transplant. He's tried it on twins (one stinky, one sweet) by harvesting some of the sweet twin's pit bacteria.

He then transferred them to the stinky twin's armpits, and voila — the stinky twin's malodor disappeared and stayed gone.

But so far, for unrelated folks, the armpit biome transplant works for only about four days. So you may want to try other solutions.

• Splash cider vinegar on your pits after a shower to keep the Ph there bacteria-unfriendly.

• Eat chlorophyll-rich foods like kale, wheat grass or parsley.

• Apply milk of magnesia to stinky areas; this laxative ushers out the bad smells.

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